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-rw-r--r--src/main/java/org/zwobble/hobgoblin/compiler/output/generators/rusttransient0/RustTransient0Generator.java14
-rw-r--r--src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustTypes.java3
2 files changed, 16 insertions, 1 deletions
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/rusttransient0/RustTransient0Generator.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/rusttransient0/RustTransient0Generator.java
index 20b21de..ec39245 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/rusttransient0/RustTransient0Generator.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/rusttransient0/RustTransient0Generator.java
@@ -379,7 +379,19 @@ public class RustTransient0Generator implements Generator {
decodeMatchArms.add(new RustMatchArm(
new RustWildcardPattern(),
- generateTodo()
+ new RustTryPropagationExpression(new RustCallExpression(
+ RustTypes.RESULT_ERR,
+ List.of(
+ new RustCallExpression(
+ RustTypes.IO_ERROR.addSegment(RustPathSegment.of("new")),
+ List.of(
+ RustTypes.IO_ERROR_KIND_INVALID_DATA,
+ // TODO: include variant tag
+ new RustStringLiteral("unrecognised variant tag")
+ )
+ )
+ )
+ ))
));
return generateDecodeFunction(
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustTypes.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustTypes.java
index 5e6303a..3c5ab6c 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustTypes.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustTypes.java
@@ -49,6 +49,9 @@ public class RustTypes {
public static RustPath NONE = RustPath.global("std", "option", "Option", "None");
public static RustPath SOME = RustPath.global("std", "option", "Option", "Some");
+ public static RustPath RESULT = RustPath.global("std", "result", "Result");
+ public static RustPath RESULT_ERR = RESULT.addSegment(RustPathSegment.of("Err"));
+
public static RustPath STRING = RustPath.global("std", "string", "String");
public static RustPath ARC = RustPath.global("std", "sync", "Arc");